Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 438 · 40 questions

Engineer's tip (Add same way, subtract opposite): Push moves away, pull moves towards; force is measured in newtons (N). Same direction: add. Opposite directions: bigger − smaller, towards the bigger. Weight (N) ≈ mass (kg) × 10.

1. 1.Which of these is caused by muscular force? (a) lifting a school bag (b) a rolling ball slows (c) shoes grip the floor (d) a thrown ball comes down
2. 2.💪 A force is a … (a) kind of colour (b) type of sound (c) push or a pull (d) unit of time
3. 3.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
4. 4.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
5. 5.💪 Two children push a box to the right, one with 30 N and the other with 15 N. What is the net (total) force on the box, in newtons?
6. 6.💪 Which force is at work: rain falls to the ground? (a) friction (b) magnetic force (c) gravity (d) muscular force
7. 7.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
8. 8.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
9. 9.💪 Which force is at work: a compass needle turns? (a) muscular force (b) magnetic force (c) gravity (d) friction
10. 10.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
11. 11.💪 Two children push a box to the right, one with 65 N and the other with 25 N. What is the net (total) force on the box, in newtons?
12. 12.💪 Which force is at work: a thrown ball comes down? (a) friction (b) muscular force (c) magnetic force (d) gravity
13. 13.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
14. 14.True or false: hitting a cricket ball is a push. (a) False (b) True
15. 15.💪 Which force pulls everything towards the Earth? (a) friction (b) magnetism (c) wind (d) gravity
16. 16.True or false: plucking a mango is a push. (a) False (b) True
17. 17.💪 Which force is at work: shoes grip the floor? (a) muscular force (b) magnetic force (c) friction (d) gravity
18. 18.True or false: pushing a swing is a push. (a) False (b) True
19. 19.True or false: pulling a cart is a push. (a) False (b) True
20. 20.💪 A box weighs 570 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
21. 21.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
22. 22.True or false: a tug of war is a push. (a) False (b) True
23. 23.💪 Which force is at work: a rolling ball slows? (a) friction (b) gravity (c) muscular force (d) magnetic force
24. 24.💪 A bag has a mass of 15 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
25. 25.💪 A box weighs 280 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
26. 26.💪 Two equal forces push on a box from opposite sides. They are … (a) unbalanced (b) doubled (c) balanced (d) gravity
27. 27.Which of these is caused by gravity? (a) brakes stop a bicycle (b) rain falls to the ground (c) pedalling a cycle (d) rubbing hands warms them
28. 28.💪 Which force is at work: lifting a school bag? (a) magnetic force (b) gravity (c) muscular force (d) friction
29. 29.True or false: kicking a football is a pull. (a) False (b) True
30. 30.💪 Two children push a box to the right, one with 40 N and the other with 90 N. What is the net (total) force on the box, in newtons?
31. 31.True or false: pressing a doorbell is a push. (a) True (b) False
32. 32.Which of these is caused by muscular force? (a) squeezing a lemon (b) brakes stop a bicycle (c) a compass needle turns (d) rain falls to the ground
33. 33.True or false: opening a drawer is a push. (a) False (b) True
34. 34.💪 Two children push a box to the right, one with 10 N and the other with 20 N. What is the net (total) force on the box, in newtons?
35. 35.True or false: closing a drawer is a push. (a) True (b) False
36. 36.💪 Which force is at work: a river flows downhill? (a) friction (b) muscular force (c) gravity (d) magnetic force
37. 37.💪 In which unit do we measure force? (a) litre (L) (b) second (s) (c) metre (m) (d) newton (N)
38. 38.Which of these is caused by gravity? (a) an apple falls down (b) brakes stop a bicycle (c) a magnet picks up pins (d) a rolling ball slows
39. 39.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
40. 40.💪 Is kicking a football a push or a pull? (a) a pull (b) a push

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